interneurons

action potential

resting membrane potential

the difference in electrical charges on either side of a cell membrane when the cell is at rest, measured in millivolts, inside membrane is more negative than outside, difference in change is ions moving- K+ diffusing out of cell

oligodendrocytes

conditioned reflex

simple reflex

Peripheral Nervous System

The following are characteristics of which branch of the nervous system? carries messages to and from the brain and spinal cord, contain somatic and autonomic divisions, contain motor and sensory nerve cells.